101 to 125 of 139 FIX Protocol Jobs

QA Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Experience mentoring or supporting other QA engineers Experience within financial services, trading platforms or capital markets would be highly advantageous, as would knowledge of FIX/API, AWS, microservices or serverless environments. What You'll Do Develop, execute and maintain automated and functional test solutions Design and evolve robust ...

Product Owner

Location
Greater London, England, United Kingdom
markets, trading, broking, or liquidity platforms.* Exposure to transformation or modernisation initiatives (e.g., platform upgrades, re-architecture).* Familiarity with financial messaging protocols (e.g., FIX, XML) or API-based integrations.* Exposure to cloud platforms (e.g., AWS) and modern authentication frameworks (e.g., OAuth2, Okta).* Understanding of testing practices, including ...

Application Support Analyst | Operations Technology

Location
Greater London, England, United Kingdom
vendor management. Knowledge of server-side infrastructure and admin tools. Ability to work shifts patterns (if required). Good to have knowledge of Fix Messaging protocol, including support experience. Knowledge of market connectivity protocols for key global derivative, commodity, cash and equity markets. Experience in technical onboarding ...

Application Support Analyst (PA26Q3ASJH102)

Location
Greater London, England, United Kingdom
Experience*** Good technical background.Most desirable is experience of databases/SQL (ability to create and run own queries), MQ (any variant), SWIFT, ISO15022, ISO20022, FIX, XML, messaging authentication/certification techniques and secure FTP environments.* Application support and operations in a client facing, financial environment.* Experience of project delivery ...

Senior Front Office Production Engineer (Cloud)

Location
City Of London, England, United Kingdom
Europe Front Office Support team. You will drive operational excellence, mentor juniors, and own complex production issues across our trading platform. You will leverage FIX, Linux, Windows, DevOps, and cloud technologies to ensure reliability, performance and client migrations. Strong debugging and mentoring skills are essential for success. #J ...

Senior Front Office Production Engineer - Cloud & Automation

Location
City Of London, England, United Kingdom
seeking a Senior Front Office Support Engineer to take a leading role in the Europe Front Office Support team. You will apply deep FIX, Linux, Windows Server, DevOps, databases, networking, and cloud skills to ensure platform reliability and performance. This hands-on leadership role involves complex troubleshooting, driving automation ...

Lead Exchange Connectivity Engineer

Location
Greater London, England, United Kingdom
coordination skills. Comfortable reading API documentation and assessing integrations. Organised, proactive and able to manage multiple workstreams. Nice to Have Experience with exchange integrations, FIX, Jira/Notion/Linear. Knowledge of CEX/DEX infrastructure. Basic Python or scripting experience. Benefits International team. 100% health cover. Pension scheme. ...

Buy-Side OMS (AIM) Sales Specialist, Financial Solutions

Location
City Of London, England, United Kingdom
front-to-middle office investment software into buy-side institutions. Deep domain knowledge of buy-side trading workflows, including portfolio management, order generation, FIX connectivity, pre/post-trade compliance rules, and IBOR architecture. Familiarity with the UK institutional market, understanding the distinct operational requirements of both active asset ...

FX Implementation Lead for E-Trading & FIX

Location
City Of London, England, United Kingdom
Bloomberg seeks an FX Implementation Specialist in London to own technical presales and delivery of E-Trading and post-trade solutions. You will work with Buy-side and Sell-side clients, oversee projects, manage risks ...

Junior Business Analyst

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
looking for someone experienced with: • Order book behaviours and types. • Working with engineering teams in line with Agile/Scrum. • Familiarity with the FIX trading protocol. • Working in an exchange,( exchange matching engines experience is a huge plus. ) If you're interested and would like to know more, please ...

Business Analyst

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
with: • An exchange-side matching engine. • Order book behaviours and types. • Working with engineering teams in line with Agile/Scrum. • Familiarity with the FIX trading protocol. If you're interested and would like to know more, please reach out to me either here or via email: stanley.barnes@harringtonstarr.com ...

Business Analyst

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
capital markets as a BA. • Trading experience ( Exchange side ideal ). • Working with engineering teams in line with Agile/Scrum. • Familiarity with the FIX protocol. If you're interested and would like to know more, please reach out to me either here or via email: stanley.barnes@harringtonstarr.com . ...

Post-Go-Live Investment Support Specialist

Location
City of Edinburgh, Scotland, United Kingdom
product teams to resolve issues. A strong candidate brings 3–5 years in financial services, with investment management system experience and solid SQL/FIX skills. #J-18808-Ljbffr ...

Engineering Manager – Banking & FX Tribe Lead (London)

Location
City Of London, England, United Kingdom
seeking an Engineering Manager to lead the Banking and FX tribe, owning payment processing, FX pricing and trading, the ledger, reconciliation, bank integrations, FIX engine connectivity, payment compliance and the client portal. You will manage six to eight engineers and own the tribe's delivery and OKRs, collaborating with ...

SVP, EMEA — Low-Latency Connectivity Engineering

Location
Greater London, England, United Kingdom
lead a geographically distributed group of engineers working with product, research, and production teams. The role requires deep fintech expertise in DMA/FIX, strong strategic leadership, and the ability to influence senior stakeholders while delivering scalable, reliable systems.” #J-18808-Ljbffr ...

Senior Security Architect — Lead Secure Crypto Trading

Location
City of Westminster, England, United Kingdom
Inc. is seeking a senior security architect for our London-based Security Architecture team. You will influence secure software across web, API, mobile, and FIX platforms, shaping defenses for critical trading systems in a fast-moving crypto landscape. You will lead threat modeling, vulnerability assessments, and security tooling, while ...

Software Developer C++

Location
Greater London, England, United Kingdom
London. As a key member of our Electronic Products department, you will play a vital role in designing, developing, and enhancing our matching engines, FIX gateways, and other electronic trading applications. Your expertise in Java and C++ will be instrumental in building and maintaining high-performance, low-latency solutions … that power our financial services business. Responsibilities Design, develop, and enhance matching engines, FIX gateways, and other electronic trading applications. Build and maintain high-performance, low-latency applications using Java and C++. Develop and support client-server applications and real-time market data or trading gateways. Work with FIX ...

Low Latency Java Developer

Location
Greater London, England, United Kingdom
execution components Working directly with traders and quantitative developers Developing market-data and order gateways Integrating quantitative models into production trading systems Working with FIX, multicast and high-performance messaging Optimising JVM applications for low allocation, low GC and predictable latency Developing simulation, backtesting and regression-testing frameworks Taking … latency/high-performance engineering experience Experience within electronic trading Ideally exposure to FX, eFX or Crypto Strong multithreading and concurrency knowledge Experience with FIX and/or electronic exchange connectivity Market-data and/or order-management systems Strong Linux and performance-tuning knowledge Exposure to Aeron, multicast ...

Senior Java Developer – London – Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
flagship high-performance messaging infrastructure. Hydra - our developer framework for accelerating the development and delivery of trading systems. Artio - our market-leading open-source FIX engine. Aeron Sequencer - replicated state machines at scale. YOU ARE: A JVM lover who really enjoys working with the latest technologies and design patterns … 25+ is a plus General familiarity with data structures such as sets, hashes, caches etc Experience developing Front Office financial systems, E-Trading and FIX Experience in delivering OMS/EMS/Exchange systems Exposure to equities trading & brokerage General knowledge of data injection/inversion of control Experience ...

Senior Software Engineer (Java)

Location
Greater London, England, United Kingdom
Role Overview** TP ICAP are looking for a Senior Java Developer delivering low‐latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‐time messaging. In this role, you will be responsible for designing, building, and optimising mission‐critical trading services across multiple … with the ability to collaborate effectively across globally distributed engineering, product, and operations teamsExperience with FX, Credit, or Commodities electronic trading flows Knowledge of FIX engines and market connectivity workflows Knowledge of Linux engineering, troubleshooting, and performance optimisation Experience with Spring Boot or Google Guice dependency injection frameworksExperience with ...

Development Team Lead – Client Facing Technology

Location
Greater London, England, United Kingdom
Appraisals and Technical Reviews.* Broking/Trading/Banking business domain e.g. FX and Fixed Income* Strong communication skills.* Experience with building systems using FIX Protocol.* Senior-level experience with Java.* Experience with version control systems e.g. GitLab, GitHub.* Deploying and configuring applications running in Amazon Web Service … tools in a Development Environment e.g. AWS Kiro* Senior level experience with a scripting language such as Python.* Rapid Addition Platform or other FIX Messaging Hub.* Experience with DevOps/build technologies such Ansible, Jenkins, Maven and Groovy.* Experience with database technologies with SQL.* Experience with messaging platforms e.g. ...

FX FIX Client Onboarding Analyst - Assistant Vice President

Location
Belfast City District, Northern Ireland, United Kingdom
Tech. Team/Function Overview The role requires a self-starting, well organized and motivated individual to work within our client facing Global FX FIX Onboarding Team. This team is responsible for all FX Client Onboarding onto Citi’s FX platforms so they can utilize Citi’s Global … franchise. This requires engaging with external and internal clients, at a technical level, utilizing our FIX API so they can avail of our live electronic FX trading. Role/Position Overview FXLM Technology is focused on delivering IT solutions to the FX and Local Markets Sales & Trading business. ...

Director, Senior Security Architect

Location
Greater London, England, United Kingdom
will sit at the intersection of cutting-edge engineering and high-stakes finance, shaping how secure software is built across web, API, mobile, and FIX platforms, and pushing our security bar beyond industry-leading. This is a senior technical leadership role, a hands-on application and cloud security architect … turn ambiguity into clear, prioritized defenses.* Partner closely with Product, Engineering, and Infrastructure teams to design and ship secure software across web, API, mobile, FIX, and trading platforms.* Lead complex global security initiatives, build custom AI-powered tooling to maximize efficiency and scale the cybersecurity program.* Assess vulnerability risks ...